tweet us, facebook us. @wnn. >> and we'll show them on the air between now and christmas. stay with us. >> announcer: this is abc's "world news now."kx1ñ ñ >>> this morning on "world news now," the bizarre plot to kill justin bieber. police say the singer was the target in a murder-for-hire scheme. >> grisly details of the plan are being revealed this morning. it is thursday, december 13th. >> announcer: from abc news, this is "world news now." >> weird news today, huh? good morning, everybody. i'm rob nelson. >> and i'm paula faris. we'll explain why this plot against justin bieber is so especially disturbing in our top story. that's why we were just cringing. >>> also this half hour, the deadly mall shooting on the minds of so many holiday shoppers. what everyone can learn from the shoppers who survived this ordeal in oregon. unfortunately, tactics that we have disseminated too many times this year. >> there are simple steps that you can take. no one wants to think about going to the mall during christm